中国奥氏衣属地衣三个新记录种

打开文本图片集

中图分类号： Q949.34 文献标识码：A 文章编号：1000-3142（2026）02-0273-08

Abstract： Inorder to explore the diversityof Oxneriaaria in Xinjiang，morphological，anatomical，chemical analyse， andcombined with phylogenetic analysis basedonrDNA-ITS sequences，areused to conducta detailed taxonomic study on Oxneriaria specimenscollected from Xingjiang，China.The results are as follows：（1）A totalof three Oxneriaria lichens belong to the Chinese new record species， namely o . supertegens（Arnold） S. Y. Kondr.& Lokos， O. verruculosa （Kremp.）S.Y.Kondr.&Lokös，and o .permutata（Zahlbr.）S. Y. Kondr.& Lokos. Detailed descriptions and anatomical diagrams of theinternal and external morphological structuresof these threenew record speciesare provided. In addition，similar species are compared and discussed.（2） o . supertegensis characterized by the dark gray to gray-brown withaslightly purple tinge，with black prothallus，apothecium dictyoplast，lecanorine，hymenium 89.5- 135.0μm ，8-spored asci， ellipsoid ascospores（16.0-25.5） μm×（12.0-16.5） μm ： o . verruculosa is characterized by a wart-like thallus and like altar-shaped apothecium，apothecium aspiciloid，hymenium 70.5-95.0μm ，8-spored asci， ellipsoid ascospores （12.0-17.5） μm×（7.5–13.5） μm ，and contains stictic acid; o . permutata is characterized by the uneven and rough surface of thallus，apothecium aspiciloid， hymenium 100-115μm ，8-spored asci， elipsoid ascospores （15.0-22.0） μm×（9.0-12.5） ） μm . The research results have increased the number of Oxneriaria species in China from 3 to 6，accounting for 32% of the total global species，enriching the basic data of Oxneriaria lichens in China.

Key words： lichenized fungi，Megasporaceae，taxonomy， phylogeny，Xinjiang

奥氏衣属（OxneriariaS.Y.Kondr.etL.Lokös）隶属于真菌界（Fungi）子囊菌门（Ascomycota）茶渍纲（Lecanoromycetes）鸡皮衣目（Pertusariales）巨孢衣科（Megasporaceae），是主要分布在欧亚大陆、北半球寒冷极地以及高海拔环境的一类壳状地衣。（剩余10586字）